"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : reindex
Case Name   : 使用reindex在线重建gin类型部分分区索引
Create At   : 2021/12/13
Owner       : @zou_jialiang050
Description :
    1.建分区表
    2.向表中插入数据
    3.创建gin类型部分分区索引
    4.使用reindex在线重建gin类型部分分区索引
    5.清理环境
Expect      :
    1.建分区表成功
    2.向表中插入数据成功
    3.创建gin类型部分分区索引
    4.在线重建索引成功
    5.清理环境成功
History     :
"""

import os
import unittest
from yat.test import Node
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger


class SQL(unittest.TestCase):
    def setUp(self):
        self.logger = Logger()
        self.logger.info(f'-----{os.path.basename(__file__)} start-----')
        self.dbuserNode = Node('PrimaryDbUser')
        self.primary_sh = CommonSH('PrimaryDbUser')
        self.table = 't_reindex_concurrently_0039'
        self.index = 'i_reindex_concurrently_0039'
        self.Constant = Constant()

    def test_reindex(self):
        step1 = 'step1:建分区表成功 expect:建分区表成功成功'
        self.logger.info(step1)
        create_table = self.primary_sh.execut_db_sql(
            f'''drop table if exists {self.table};
            create table {self.table} (id int, body text, title text, 
            last_mod_date date)
            partition by range (id)
            (
                partition p1 values less than(3),
                partition p2 values less than(6),
                partition p3 values less than(maxvalue)
            )
            enable row movement;''')
        self.logger.info(create_table)
        self.assertIn(self.Constant.TABLE_DROP_SUCCESS, create_table,
                      "执行失败" + step1)
        self.assertIn(self.Constant.CREATE_TABLE_SUCCESS, create_table,
                      "建分区表成功失败" + step1)

        step2 = 'step2：向表中插入数据 expect:向表中插入数据成功'
        self.logger.info(step2)
        insert_data = self.primary_sh.execut_db_sql(
            f'''insert into {self.table} values(generate_series(1,500000), 
            'China, officially the Republic of China (PRC)', 'China', 
            '2010-1-1');''')
        self.logger.info(insert_data)
        self.assertIn(self.Constant.INSERT_SUCCESS_MSG, insert_data,
                      "执行失败" + step2)

        step3 = 'step3：创建gin类型部分分区索引 expect:创建gin类型部分分区索' \
                '引成功'
        self.logger.info(step3)
        create_index = self.primary_sh.execut_db_sql(
            f'''drop index if exists {self.index};
            create index {self.index} on {self.table} using gin(to_tsvector
            ('english', body),to_tsvector('english', title)) local 
            (partition p1, partition p2, partition p3);''')
        self.logger.info(create_index)
        self.assertIn(self.Constant.DROP_INDEX_SUCCESS_MSG, create_index,
                      "执行失败" + step3)
        self.assertIn(self.Constant.CREATE_INDEX_SUCCESS_MSG, create_index,
                      "创建gin类型部分分区索引失败" + step3)

        step4 = 'step4：使用reindex在线重建local索引 expect:在线重建索引成功'
        self.logger.info(step4)
        reindex = self.primary_sh.execut_db_sql(
            f'''reindex index concurrently {self.index};''')
        self.logger.info(create_index)
        self.assertIn('REINDEX', reindex, "执行失败" + step4)
        self.assertNotIn('ERROR', reindex, "执行失败" + step4)
        self.assertNotIn('WARNNING', reindex, "执行失败" + step4)

    def tearDown(self):
        step5 = 'step5:清理环境 expect:清理环境成功'
        self.logger.info(step5)
        clean_environment = self.primary_sh.execut_db_sql(
            f'''drop table {self.table} cascade;''')
        self.logger.info(clean_environment)
        self.assertIn(self.Constant.TABLE_DROP_SUCCESS, clean_environment,
                      "执行失败" + step5)
        self.logger.info(f'-----{os.path.basename(__file__)} end-----')
